Tracheostomy tube



FIG. 1 is a right side view of the tracheostomy tube according to my design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a left side view thereof. 

The ornamental design for a tracheostomy tube, as shown and described. 